Koh

Potassium hydroxide is a strong inorganic base and a highly caustic substance, commonly referred to as caustic potash.

Property Value

Chemical Formula KOH

CAS Number 1310-58-3

Molar Mass 56.11 g/mol

Appearance White solid (flakes or pellets)

Solubility Highly soluble in water

pH (1% sol.) ~13.5–14 (very alkaline)

Common Uses of Potassium Hydroxide

1. Industrial Applications

• Production of liquid soap, detergents, and cleaning agents

• Biodiesel production (used as a catalyst)

• Battery electrolyte (especially in alkaline batteries)

• Manufacturing of potassium carbonate, fertilizers, and potassium phosphates

2. Laboratory Use

• Strong base in acid-base titrations

• pH adjustment in solutions

• Used in chemical synthesis

3. Agriculture

• Soil treatment and fertilizer component (especially in potassium-based fertilizers)